Home / 43,202.52-64,799.28-13,619.52

Finding the Fourth Proportional to 43,202.52, 64,799.28 and 13,619.52

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Solution

The fourth proportional to 43,202.52, 64,799.28 and 13,619.52 is: 20,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,202.52 : 64,799.28 = 13,619.52 : x
  2. Step 2: Convert to fraction form
    43,202.52/64,799.28 = 13,619.52/x
  3. Step 3: Cross multiply
    43,202.52x = 64,799.28 × 13,619.52
  4. Step 4: Simplify right side
    43,202.52x = 882,535,089.95
  5. Step 5: Solve for x
    x = 882,535,089.95/43,202.52
  6. Step 6: Final answer
    x = 20,427.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.